Possible BGP hijack

Beginning at 2019-04-30 16:18:02 UTC, we detected a possible BGP hijack.

Prefix 154.91.1.0/24, is normally announced by AS40065 CNSERVERS - CNSERVERS LLC, US.

But beginning at 2019-04-30 16:18:02, the same prefix (154.91.1.0/24) was also announced by ASN 10103.

This was detected by 173 BGPMon peers.

Expected
Start time: 2019-04-30 16:18:02 UTC
Expected prefix: 154.91.1.0/24
Expected ASN: 40065 (CNSERVERS - CNSERVERS LLC, US)
Event Details
Detected advertisement: 154.91.1.0/24
Detected Origin ASN 10103 (HKBN-AS-AP HK Broadband Network Ltd., HK)
Detected AS Path 28606 10429 12956 1299 4637 4637 4637 4637 9269 9269 10103
Detected by number of BGPMon peers: 173

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